EP0708380A3 - A charging device - Google Patents

A charging device Download PDF

Info

Publication number
EP0708380A3
EP0708380A3 EP95307390A EP95307390A EP0708380A3 EP 0708380 A3 EP0708380 A3 EP 0708380A3 EP 95307390 A EP95307390 A EP 95307390A EP 95307390 A EP95307390 A EP 95307390A EP 0708380 A3 EP0708380 A3 EP 0708380A3
Authority
EP
European Patent Office
Prior art keywords
charging device
charging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95307390A
Other languages
German (de)
French (fr)
Other versions
EP0708380A2 (en
EP0708380B1 (en
Inventor
Youichirou Maebashi
Hiroshi Sasame
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0708380A2 publication Critical patent/EP0708380A2/en
Publication of EP0708380A3 publication Critical patent/EP0708380A3/en
Application granted granted Critical
Publication of EP0708380B1 publication Critical patent/EP0708380B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
EP95307390A 1994-10-19 1995-10-18 A charging device Expired - Lifetime EP0708380B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP28004094 1994-10-19
JP28004094 1994-10-19
JP280040/94 1994-10-19
JP13418195 1995-05-31
JP13418195 1995-05-31
JP134181/95 1995-05-31
JP7265463A JPH0950170A (en) 1994-10-19 1995-10-13 Charging device
JP26546395 1995-10-13
JP265463/95 1995-10-13

Publications (3)

Publication Number Publication Date
EP0708380A2 EP0708380A2 (en) 1996-04-24
EP0708380A3 true EP0708380A3 (en) 1997-01-22
EP0708380B1 EP0708380B1 (en) 2001-08-29

Family

ID=27316843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95307390A Expired - Lifetime EP0708380B1 (en) 1994-10-19 1995-10-18 A charging device

Country Status (4)

Country Link
US (1) US5649268A (en)
EP (1) EP0708380B1 (en)
JP (1) JPH0950170A (en)
DE (1) DE69522404T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842594B2 (en) * 2002-12-13 2005-01-11 Xerox Corporation Intermittent DC bias charge roll AC cleaning cycle
US20090116874A1 (en) * 2005-05-24 2009-05-07 Mitsubishi Chemical Corporation Electrophotographic photoreceptor and method for image formation using said electrophotographic photoreceptor
JP4913497B2 (en) * 2006-08-04 2012-04-11 株式会社リコー Image forming apparatus and charging bias adjusting method
JP5473501B2 (en) * 2009-09-08 2014-04-16 キヤノン株式会社 Image forming apparatus
JP6029455B2 (en) * 2012-12-21 2016-11-24 キヤノン株式会社 Image forming apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149668A (en) * 1986-12-15 1988-06-22 Canon Inc Charging method and device, and electrophotographic device equipped with this device
EP0367203A2 (en) * 1988-10-31 1990-05-09 Canon Kabushiki Kaisha Electrophotographic apparatus
US5144368A (en) * 1989-11-15 1992-09-01 Canon Kabushiki Kaisha Charging device and image forming apparatus having same
JPH06222676A (en) * 1993-01-27 1994-08-12 Konica Corp Image forming device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149669A (en) 1986-12-15 1988-06-22 Canon Inc Contact charging method
JPS63208876A (en) 1987-02-26 1988-08-30 Canon Inc charging device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149668A (en) * 1986-12-15 1988-06-22 Canon Inc Charging method and device, and electrophotographic device equipped with this device
EP0367203A2 (en) * 1988-10-31 1990-05-09 Canon Kabushiki Kaisha Electrophotographic apparatus
US5144368A (en) * 1989-11-15 1992-09-01 Canon Kabushiki Kaisha Charging device and image forming apparatus having same
JPH06222676A (en) * 1993-01-27 1994-08-12 Konica Corp Image forming device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 413 (P - 780) 2 November 1988 (1988-11-02) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 600 (P - 1826) 15 November 1994 (1994-11-15) *

Also Published As

Publication number Publication date
EP0708380A2 (en) 1996-04-24
JPH0950170A (en) 1997-02-18
EP0708380B1 (en) 2001-08-29
DE69522404T2 (en) 2002-07-11
US5649268A (en) 1997-07-15
DE69522404D1 (en) 2001-10-04

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